Respuesta :

Answer:

4.58 grams of H2 will combine with 18.32 gram of [O]

Explanation:

Mass of O2 = 16 grams

Mass of H2 = 2 grams

2 grams of H2 combines with 8 gram of [O]

4.58 grams of H2 will combine with 8/2*4.58 = 18.32 gram of [O]